/* Semantic accessibility layer: invisible structure and visible keyboard focus. */
.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}
:focus-visible {
    outline: 3px solid #ff0000 !important;
    outline-offset: 4px !important;
}